| Seat
Belts
for your 912/ 912E |
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Technical Blog: Do you still have the original seat belts (two-point, three-point, front, rear?) or do you have upgraded two-, three- or five-point belts? Did you add belts to the back seats? Who manufactured your seat belts? Thanks to Patrick Van Asbroeck for suggesting this question. New! 912 Registry Members can share technical information, add technical information, and access quality, up to date technical information on our 912 Wiki. |
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From: Andy Keller;
Dear 912 Friends: Improving the seat belts was the first thing I did when I acquired my 1967 912 nearly 25 years ago. The seatbelt fittings that Porsche "engineered" for the early 901 series are placed wrong; way too high. The threaded inserts are good. To the pair of inboard inserts I fastened a fire extinguisher bracket (just above the cover plate for the transmission shifter coupler). The original threaded fitting for the shoulder belts seem sufficiently strong and are very well placed. Using the recommendations for mounting competition seat belts -- see for instance the Simpson catalog -- I put properly located forged eyes in the floor. I mounted the inboard eyes using the largest OD washers I could find on the bottom side. I even used a large washer on the top side. This was to prevent the eyes (or fittings) from punching thru the floor if tipped. Note that the inboard fittings are close to the edge of the tunnel; the floor is quite strong there. The floor at the outboard sides seemed less strong. Thus I mounted the eyes thru large (at least 4 x 6 inches) plates of stiff aluminum about 3/16 inch thick. And at each corner of the plate I bolted thru using large washers. As I vintage race my street legal 912, I use competition belts on the driver side. The shoulder belts mount to eyes just forward of the firewall. With patience you can reach the underside of the car. This mounting area is strong as it is adjacent to a fold. The anti-sub belt mounts under the seat. To give that a secure mount I bolted thru the floor where there is a pressed groove and filled the groove with a strip of steel before using large washers. Most any brand of belts are fine. Currently I am using a Pyrotect lap belt with shoulder belts from J. C. Whitney. The JCW belts are not fancy but look to be of fine manufacture from a Midwestern contractor. The anti-sub belt (which actually functions to hold the lap belt down where it should be) is some clean old shoulder belt segment I had. The latching system is the conventional old loop and hook aviation style. I sure would like the fancier style that allows individual insertion of ends as I cannot see the fittings on my lap with my helmet on. I have also used a Simpson lap belt which had a great feel to the latch but the webbing got dated. The passenger belt is a simple 3-point system. Adjustment is in the buckle at the inboard side and the shoulder belt in front of the chest. Again sourced from J. C. Whitney. I converted it to hook-on end fittings and liked the design of the balance of the hardware so much that after many years of use I had it rewebbed. In addition to JCW, another source as of late for aftermarket 3-point belts is the street rod trade; check hobby magazines for ads. My racing club, RMVR, required the use of the anti-sub belt in 1988. I wish I had started using it earlier (in vintage racing and before that over 20 years ago in PCA driver education). The anti-sub allows you to pull the shoulder belts snug without the lap belt rising. Snug belts are good and stretch is bad; I even suck in my gut when pulling my lap belt tight before racing. Regards, Andy Keller, CPE Longmont, Colorado From: Patrick Van
Asbroeck;
Many thanks for using my belt request into the present QOTM. From: Wade Douglas; I cannot find evidence that my '65 912 ever had any seat belts (floor pan has no holes at all). I will fit belts when I finish restoration (I've owned it 15 years but never driven it!). I am curious what, if any, two or three point, appropriate-looking, new-manufacture belts are currently available and from whom. Wade Douglas - douglas@adnc.com From: Fred Erickson; In the name of safety(ok looks too), I up graded my seatbelts and seats to racing standards. I purchased a sweet Corbeau GT seat and bought two red Momo four-point racing harnesses to match. The extra side support is great for driving through all the canyons here in California and the looks I driving on the highway are always nice. Scott Erickson '66 912 From: William Dickson; My 1969 came with, two point in
the rear and three point in the front, don't know the brand. The front belts are old and a
pain they are not retractable,would like to hear about some good replacments. William
Dickson, The verry cherry 69, MRMAILBOX1@AOL From: James Scranton; I still have the original 3 point seat belts, but I believe the owner before me replace the original buckles with vw buckles. I have no seat belts in the back. not to many people can ride back there anyway. Jim Scranton From: Robert Burn; I still have the original two-point belts that came with the car when I bought it new. When the kids were little (maybe 1981 or so) I installed generic two-point seat belts in the back "seats" of the Targa. Thats all folks. From: Scott McLean; Still using the original seatbelts, three point, no problem. Seatbelts already installed in the rear - use them to hold two child safety seats for our twin 2 year olds. Scott McLean, 1969 912 From: Gary Bayless; I have upgraded to
5 point belts. Most hillclimb organizations require at least 4 point belts, besides you
have more control of the car not moving all over the place. Used the existing front
and rear mounting points. The back seat mounting From: Randy Cohen; 69 targa stock belts, but have sport seats from a 78 and the automotion adapters. The problem is where do you mount the belts? Newer seats don't have mount hole and I don't want to weld into the body. Anyone put the mount tabs on the adapters? From: Gordon Ross; I still have the original belts, though they have been ungainly, have no retractors, and were always hanging out the door, hard to find and reloop over my body, etc.. SO, I put Velcro on the plastic snap covers (or whatever they're called) and added the matching Velcro pieces at shoulder height just ahead of the bottom leading edge of the rear side windows. Now I can easily hang up the belts each time I unsnap them. Now they're much easier to live with and I've kept the originality with a very low cost fix (99 cents for materials....the lowest cost repair or improvement on the entire car). I bought my 1969 912 used, with matching belts for the rear seats...snaps with little arms, covered with small, bright red plastic levers. My current problem is how to replace the other straps back there....the ones that apparently hold the seat backs upright. I assume these were leather and there was some form of anchoring spot on the backs of the seat. Am I correct? Gordon Ross, '69 912 coupe From: Andy Hunn; Still have original lap belts in front. No belts in back seats. From: William Todd; When I built the 912, there were
miserable old VW belts installed in it, and only lap belts. Beefing up the suspension
brakes and engine called for better seat belts and harnesses. It's nice to go fast, and
stop on a dime, but-----not through the windshield! From: Steve and Denise; Hi Rick, The belts in my 1969 912 are the stock 3pt in front and the stock 2 pt rear belts. I'm unsure if the rear are stock. Thanks Steve Lynch From: Johnflacey; On my 69 Targa #593 I have all original OEM 3 points without retractors in the front and two points in the jump seats in the back. They work fine except for the repeated tendency for the plastic covers on the fixed points on the floor to pop off. The strap retainers on the driver's side were once reglued, as they had apparently cracked apart. I use WD40 on the mechanisms once or twice a year. It appears mine were manufactured in Germany by Repa, specifically for Porsche whose name appears on the tags in the traditional script. They even say "Made in 1968" on the label, consistent with the fact that all 68 and 69 Targas were made in 68 as the factory retooled in mid-year for the introduction of the 914. Very best regards, John L. From: Carter Willey; Great topic; thanks, Rick. From: V.J. Lovero; I have purchased extremely nice,
3-point, retractable belts with chrome buckles from P-E-Parts. The system is very
efficient and was installed easily by my mechanic at the existing mounting points. The
belts came with all necessary hardware and clear instructions. Also, for 20 dollars extra,
I got nice Porsche badges on the buckles. The only downside to this package, is that the
rear seats rub on the retracting unit when putting them up or down. From: Alexander Wachter; My 68 912 Coupe still has three point seat belts with very nice closure in chrome with a small coloured Porsche logo on it. Would be nice to have a picture on that on the web! On the tiny back seats are two point belts with same closure. I found out that these chrome closure are hard to get items on the market here in Germany. Regards, Alex New! 912 Registry Members can share technical information, add technical information, and access quality, up to date technical information on our 912 Wiki. |
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